Malware Analysis Report

2024-10-18 22:50

Sample ID 221027-hclebsbce3
Target 58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked
SHA256 58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222
Tags
-test2 web7-test2 zloader botnet persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222

Threat Level: Known bad

The file 58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked was found to be: Known bad.

Malicious Activity Summary

-test2 web7-test2 zloader botnet persistence trojan

Zloader family

Zloader, Terdot, DELoader, ZeusSphinx

Blocklisted process makes network request

Adds Run key to start application

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-27 06:35

Signatures

Zloader family

zloader

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-27 06:35

Reported

2022-10-27 06:52

Platform

win7-20220812-en

Max time kernel

585s

Max time network

587s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe"

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\msiexec.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ufah = "C:\\Users\\Admin\\AppData\\Roaming\\Ihfab\\fufeof.exe" C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1132 set thread context of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe
PID 1132 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe

"C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe"

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp

Files

memory/1132-54-0x0000000075561000-0x0000000075563000-memory.dmp

memory/1684-55-0x0000000000090000-0x00000000000B9000-memory.dmp

memory/1684-57-0x0000000000090000-0x00000000000B9000-memory.dmp

memory/1684-58-0x0000000000000000-mapping.dmp

memory/1684-60-0x0000000000090000-0x00000000000B9000-memory.dmp

memory/1684-61-0x0000000000090000-0x00000000000B9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-27 06:35

Reported

2022-10-27 06:53

Platform

win10v2004-20220812-en

Max time kernel

489s

Max time network

497s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe"

Signatures

Zloader, Terdot, DELoader, ZeusSphinx

trojan botnet zloader

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\msiexec.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cify = "C:\\Users\\Admin\\AppData\\Roaming\\Foacbu\\hayh.exe" C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 568 set thread context of 1220 N/A C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe C:\Windows\SysWOW64\msiexec.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe

"C:\Users\Admin\AppData\Local\Temp\58afcdc59220bd54561c650d1c9f1ebed87e517dc747dfc7d243bd19708b7222_unpacked.exe"

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

Network

Country Destination Domain Proto
US 8.252.118.126:80 tcp
US 8.252.118.126:80 tcp
US 8.252.118.126:80 tcp
US 8.252.118.126:80 tcp
US 8.252.118.126:80 tcp
US 8.252.118.126:80 tcp
US 45.72.3.132:443 tcp
US 93.184.220.29:80 tcp
US 45.72.3.132:443 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.253.209.121:80 tcp
US 45.72.3.132:443 tcp
US 8.252.118.126:80 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp
US 45.72.3.132:443 tcp

Files

memory/1220-132-0x0000000000000000-mapping.dmp

memory/1220-133-0x0000000000F20000-0x0000000000F49000-memory.dmp

memory/1220-134-0x0000000000F20000-0x0000000000F49000-memory.dmp

memory/1220-135-0x0000000000F20000-0x0000000000F49000-memory.dmp